Predefinição:MainPage/styles.css

/** MENU/ÍNDICE/CHANGELOG/EVENTOS **/
.homepage-content {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
}

.menu-col {
  flex-basis: 60%;
  max-width: 60%;
}

.side-col {
  flex-basis: 30%;
  max-width: 30%;
  display: flex;
  flex-direction: column;
}

@media (max-width: 1024px) {
  .menu-col,
  .side-col {
    flex-basis: 100%;
    max-width: 100%;
  }
}